The intervention procedures in the pilot study consists of 5 stages: (1) initial home visit for baseline data collection; (2) measurement of baseline adherence over 4 weeks; (3) random assignment for eligible participants who sign on the informed consent forms to either intervention group or the educational comparison group; (4) four weekly in-home nurse visit to deliver the intervention or education control to the dyads; (5) adherence monitoring and outcome measures (over a 6 month period).